长叶杜茎山 chang ye du jing shan

Shrubs 2(-5) m, reddish hirsute. Branchlets angular, longitudinally ridged; pith solid. Petiole canaliculate, 7-12 mm; leaf blade oblong or lanceolate, 6-14 2.5-4.8 cm, papery, densely hirsute along primary and secondary veins, strigose along others, base broadly obtuse or subrounded, margin irregularly dentate distally, teeth callose and punctate, entire toward base, apex caudate-acuminate; lateral veins 7 or 8 on each side of midrib, ending in teeth, punctate-lineate, submarginal vein absent. Inflorescences axillary, paniculate, (3-)5-7 cm, hirsute; bracteoles oblong or ovate, 0.6-0.8 mm, acuminate, minutely hirsute, margin ciliate. Flowers white, ca. 2 mm. Pedicel 1.2-1.5 mm, hirsute. Sepals broadly ovate, glabrous, margin entire, ciliate, prominently orange punctate-lineate, apex acute. Corolla campanulate; tube 1.2-1.5 mm; lobes suborbicular, margin erose, ciliate, subequalling tube, orange punctate-lineate, apex rounded. Stamens and pistil unknown. Fruit globose or ovoid, 3-4 mm in diam., glabrous, longitudinally ribbed; persistent sepals meeting at conical style base. Fl. Apr, fr. Oct-Nov.

* Broad-leaved forests, hillsides, valleys, riverbanks; 1300-1800 m. SE Xizang, NW Yunnan